.trigger {
  font-size: 18px;
  line-height: 64px;
  padding: 0 24px;
  cursor: pointer;
  transition: color 0.3s;
}

.trigger:hover {
  color: #1890ff;
}

.logo {
  height: 45px;
  margin: auto;
  
}
.headcon{
   height:80px;;text-align: center;
   span{
     color:#fff;line-height: 80px;font-size: 15px;

   }
}